戴颂;颜文胜;丁相城;
昆明理工大学交通工程学院
摘要：在汽油机台架试验中以SQR481F为研究对象,进行了燃用E20W含水乙醇汽油与93#纯汽油的性能与排放对比试验。试验结果表明:在汽油机未做任何改动的情况下,汽油机燃用E20W含水乙醇汽油后,功率下降约4.7%~7.6%;在n=1500r/min、3500r/min、5500r/min时的有效燃油消耗率平均分别增加了5.84%、4.25%及4.36%;当量燃油消耗率下降了1%~6.59%,HC、CO的排放在小负荷时的改善效果不明显,仅为1%;在中大负荷时HC为10%左右,CO为6%~13%,NOx的排放得到了改善。
关键词： 含水乙醇汽油;;电喷汽油机;;性能;;排放
Abstract: In the paper,comparison test of
performance and emissions is carried out through the bed test of gasoline engine
on the SQR481Fengine
burning E20W ethanol gasoline and 93 # pure gasoline.The results showed that
gasoline engine power decreases from 4.7% to 7.6% and the average effective
fuel consumption rate increased at 5.84%,4.25% and 4.36% when it runs at 500r/min,3500r/min
and 5500r/min respectively,and equivalent fuel consumption rate reduces from 1%
to 6.59% if the engine fuels the E20W ethanol gasoline.HC,CO emissions are
slight at 1% at low load and then HC is about 10% and CO is from 6%to 13% at
high load.NOx emissions have decreased greatly.
Keywords: Moisture Ethanol Gasoline;EFI
Gasoline Engine;Performance;Emissions
基金项目: 云南省科技攻关及高新技术发展计划资助项目(2006GG12)
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